Home / 46,921.79-64,781.49-36,146.38

Finding the Fourth Proportional to 46,921.79, 64,781.49 and 36,146.38

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Solution

The fourth proportional to 46,921.79, 64,781.49 and 36,146.38 is: 49,904.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,921.79 : 64,781.49 = 36,146.38 : x
  2. Step 2: Convert to fraction form
    46,921.79/64,781.49 = 36,146.38/x
  3. Step 3: Cross multiply
    46,921.79x = 64,781.49 × 36,146.38
  4. Step 4: Simplify right side
    46,921.79x = 2,341,616,173.77
  5. Step 5: Solve for x
    x = 2,341,616,173.77/46,921.79
  6. Step 6: Final answer
    x = 49,904.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.